The leading group is so diverse that it represents one in every three animal species on Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Surprisingly, genome comparisons have failed to resolve a major question in animal evolution: Which living animals are the descendants of the earliest animals to evolve in the world's oceans?

All animals are related to each other, but comb jellies — a marine invertebrate found in oceans around the world — are the most distantly related to all other animals, shows a new study in Nature.

Like humans, animals can become stressed when trying to lead a group of peers in a particular direction, a new study from The Australian National University (ANU) has shown. The paper is published in ...

Over 4,000 animal shelters exist throughout the U.S. While many shelters have facilities to house and care for animals, they function independently from large rescue organizations. In many cases, ...

A group of bison has claimed an estate in the east of Portugal as their new stomping grounds, marking the animal's first presence in the country for 10,000 years. Animals Around the Globe detailed ...

Hundreds of animals are being cared for by humane groups in Southern California as this week's fast-moving wildfires continue to displace residents. “This is clearly not something that will be ...

What businesses are these ferrets running, and what conspiracies are these lemurs devising? It's a question that you might be asking after learning that a group of ferrets is called a business, while ...

This story is part of a collaboration with The Post and Courier of Charleston, South Carolina. A federal health agency that has promised to scale back its animal research has drawn the attention of ...